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Q: What is the temperature when a solid object melts at atmospheric pressure to become a liquid?
  • A. Melting point
  • B. Latent heat
  • C. Boiling point
  • D. Latent heat of fusion
Correct Answer: Option A - A solid has a melting point it is the temperature at which the solid melts from its solid state to a liquid state, the temperature of solid and liquid are in equilibrium at the melting point. The temperature at which the state of a substance changes from liquid state to solid state is called freezing point.
A. A solid has a melting point it is the temperature at which the solid melts from its solid state to a liquid state, the temperature of solid and liquid are in equilibrium at the melting point. The temperature at which the state of a substance changes from liquid state to solid state is called freezing point.

Explanations:

A solid has a melting point it is the temperature at which the solid melts from its solid state to a liquid state, the temperature of solid and liquid are in equilibrium at the melting point. The temperature at which the state of a substance changes from liquid state to solid state is called freezing point.